Robert Dunham

Mark Jackson

Yōsuke Natsuki

Inspector Komei

Yōko Fujiyama

Masayo

Hiroshi Koizumi

Kirino

Susumu Fujita

General Iwasa

Jun Tazaki

Chief Inspector

Nobuo Nakamura

Doctor Matakata

Seizaburō Kawazu

Gangster Boss

Akiko Wakabayashi

Gang Moll

Hideyo Amamoto

Maki the Safecracker

Haruya Katō

Sabu, small henchman

Yoshibumi Tajima

Gangster

Nadao Kirino

Gangster

Akira Wakamatsu

Gangster

Yutaka Nakayama

Floating Drunk/Coal truck assistant

Jun Funato

Inspector Nitta

Takuzō Kumagai

Defense Corps Executive

Hideo Shibuya

Nosy Reporter

Yasuhisa Tsutsumi

Ginza police officer

Shōichi Hirose

Thermal power plant staff

Ichirō Chiba

Diamond Truck Passenger

Wataru Ōmae

Satellite Station Scientist

Tadashi Okabe

Police Officer

Keiko Sawai

Laboratory Scientist

Yutaka Oka

Transport company chief

Chōtarō Tōgin

Coal truck driver

Mitsuo Tsuda

Defense Corps Executive

Kōji Iwamoto

Dr. Munakata's assistant

Haruya Sakamoto

Diamond transporter

Tadashi Okabe

Ginza Police Officer

Haruo Nakajima

Coal plant witness